From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: caching the request queue was Re: interims VFS queue Date: Sat, 29 Oct 2011 13:49:16 +0200 Message-ID: <20111029114916.GF14103@one.firstfloor.org> References: <20111028133017.GA11747@infradead.org> <20111028150936.1bef2c84.akpm@linux-foundation.org> <20111029105856.GA6479@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andrew Morton , torvalds@linux-foundation.org, sfr@canb.auug.org.au, linux-fsdevel@vger.kernel.org, Andi Kleen , Tao Ma , Andy Whitcroft , Hans Verkuil , axboe@kernel.dk To: Christoph Hellwig Return-path: Received: from one.firstfloor.org ([213.235.205.2]:53838 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754774Ab1J2LtX (ORCPT ); Sat, 29 Oct 2011 07:49:23 -0400 Content-Disposition: inline In-Reply-To: <20111029105856.GA6479@infradead.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Sat, Oct 29, 2011 at 06:58:56AM -0400, Christoph Hellwig wrote: > On Fri, Oct 28, 2011 at 03:09:36PM -0700, Andrew Morton wrote: > > 1: What happened with Andi's "dio: optimize cache misses in the > > submission path"? (Against which I have checkpatch fixes and > > #include linux/prefetch.h, btw) > > It has mostly been merged, including all whitespace fixes and some > folding. What is missing is the last two patchees because I don't > want to put the request_queue caching in until the remaining > lifetime issues for the request queue are sorted out, and the last > patch (which would need prefetch.h) depends on it. I asked Jens in person and he seemed ok with with the queue caching. Jens can you ack? -Andi